576 BULLETIN 129^ UNITED STATES NATIONAL MUSEUM 



Plate 119 



Libinia ferreirae, same specimen as plate 118, ventral view. Endopodite of 

 right outer maxilliped removed 



Plate 120 



Libinia spinosa, male, Ilha Victoria (Mus. Paulista), total length of carapace 



69.8 mm., dorsal view 



Plate 121 



Libinia spinosa, same specimen as plate 120, ventral view 



Plate 122 



Fig. 1. Libinia dubia, young male (Phila. Acad.), holotype of L. subspinosa 

 Streets, median length of carapace 37 mm., dorsal view. 

 2. Libinia rostrata, male, Brazil (Phila. Acad.), median length of carapace 

 70.4 mm., dorsal view. Photograph by the Philadelphia Academy of 

 Natural Sciences. 



Plate 123 



Paramithrax bdckstromi, male (55121), length of carapace 16.3 mm. 



Fig. 1. Dorsal view. 

 2. Ventral view. 



Plate 124 



Fig. 1. Hemus cristulipes, female (19724), carapace 7.6 mm. long, dorsal view. 



2. Hemus analogus, female (21573), carapace 8.2 mm. long, dorsal view; 



chelipeds and legs detached. 



3. Same, ventral view; chelipeds and legs detached, outer maxillipeds 



removed. 



4. Thoe aspera, male (23773), carapace 10 mm. long to tips of rostrum, 



dorsal view. 



5. Same, ventral view. 



Plate 125 



Fig. 1. Thoe puella, male (46739), carapace 11.4 mm. long to tips of rostrum, 

 dorsal view. 



2. Same, ventral view. 



3. Thoe sulcata, male (47121), carapace 13.6 mm. long to tips of rostrum, 



dorsal view. 



4. Same, ventral view. 



5. Thoe panamensis, male (48786), carapace 13.4 mm. long to tips of rostrum, 



dorsal view; inclined a little to left side. 



6. Same, ventral view. 



Plate 126 

 Picroceroides tubularis, male (49084), carapace 20 mm. long 



Fig. 1. Dorsal view. 

 2. Ventral view. 



Plate 127 



Pitho aculeata, male (14054), carapace 24.2 mm. wide 



Fig. 1. Dorsal view. 

 2. Ventral view. 



